Flight Lal Bahadur Shastri Airport departs from Varanasi Lal Bahadur Shastri Airport at 11:25 and arrives at Kolkata Netaji Subhas Chandra Bose International Airport at 12:45.
The flighttime is about 1h 20m. The distance travelled ("as the bird flies"): 622 Km. So the average speed is roughly 466 Km.